An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6130-01-169-7749
NSN 5996-00-187-1424
NSN 7035-00-150-2379
NSN 6645-00-168-9421
NSN 5935-00-407-4708
NSN 5965-01-298-6313
NSN 6135-00-574-1204
NSN 4140-01-119-2879
NSN 6650-01-092-0017
NSN 7035-01-497-2602
NSN 5855-00-951-6483
NSN 5835-01-193-3175